The rocket exploded upon crash landing.Elon Musk on TwitterSpaceX will attempt another historic flyback rocket landing today, Monday, April 13.

This will be the second time that SpaceX has tried to land a massive, 140-foot-tall Falcon 9 rocket on a platform floating offshore in the Atlantic ocean. The last time they tried to land a rocket on the drone ship, in January, the event did not go as well as planned.

The rocket flies in at a 45-degree angle and then explodes on impact. What's incredible is that the rocket actually made contact with the barge in the first place, steering itself from 50 miles above Earth's surface.

The fins are located toward the top of the rocket as shown in the image below, which is Jon Ross's impression of what the landing would have looked like if successful.

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